Paperboard conveying mechanism with deviation rectifying function

Abstract

The utility model relates to the technical field of conveying mechanisms, in particular to a paperboard conveying mechanism with a deviation rectifying function, which comprises a conveyor body, a mounting seat fixedly connected onto the conveyor body, a connecting frame fixedly connected onto the mounting seat, a second rotating shaft fixedly connected onto the connecting frame, and a rotating block rotationally connected onto the second rotating shaft. A hydraulic rod is fixedly connected to the rotating block, a butt joint sleeve is fixedly connected to the telescopic end of the hydraulic rod, third rotating shafts are fixedly connected to the top ends of the mounting bases, first rotating plates are rotationally connected to the third rotating shafts, second rotating plates are rotationally connected to the other two third rotating shafts, and driving rods are rotationally connected to the ends of the second rotating plates; the driving rod is clamped to the butt joint sleeve. The hydraulic rod extends outwards, the hydraulic rod drives the driving rod and the second rotating plate to rotate, the first rotating plate is matched with the second rotating plate to drive the push plate to move towards the center position of the conveying belt, the deviation paperboard path on the conveying belt is effectively corrected, and the flexibility is high.

Description

Technical Field

[0001] This utility model relates to a cardboard conveying mechanism, specifically a cardboard conveying mechanism with a correction function, and belongs to the technical field of conveying mechanisms. Background Technology

[0002] The production process of paperboard involves multiple production stages and different production equipment, from the input of raw materials to the output of finished paperboard. In large-scale paperboard production, a large amount of paperboard raw materials and finished products need to be processed every day. Therefore, a conveying structure is often used to achieve seamless connection between various production stages, so that the paperboard can flow continuously and stably on the production line, thereby greatly improving the overall production efficiency.

[0003] However, in traditional conveyor structures, if the corners of the cardboard rest on the frame of the equipment during transport, the cardboard is prone to deviating in direction during transport because the conveyor belt is always moving forward. This can cause the cardboard to fall off the equipment or stack on top of each other, affecting the conveying efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a cardboard conveying mechanism with a correction function to solve the above problems. The mechanism uses a hydraulic rod to control the first and second rotating plates to rotate toward the center position. At the same time, the first and second rotating plates drive the push plate to move toward the center position, thereby effectively correcting the misaligned cardboard.

[0005] This utility model achieves the above-mentioned objective through the following technical solution: a cardboard conveying mechanism with a correction function, comprising a conveyor body, a telescopic structure on the conveyor body, the telescopic structure including a mounting base, two pairs of mounting bases fixedly connected to the side wall of the conveyor body, each of the two mounting bases having a connecting frame fixedly connected to it, a second rotating shaft fixedly connected to the connecting frame, a rotating block rotatably connected to the second rotating shaft, a hydraulic rod fixedly connected to the rotating block, a docking sleeve fixedly connected to the telescopic end of the hydraulic rod, a rotating structure fitted on the mounting base, the rotating structure including a third rotating shaft, the top ends of the four mounting bases all fixedly connected to the third rotating shaft, the two third rotating shafts closest to the connecting frame having a first rotating plate rotatably connected to it, the other two third rotating shafts having a second rotating plate rotatably connected to it, the end of the second rotating plate having a drive rod rotatably connected to it, the drive rod engaging with the docking sleeve, the ends of the first rotating plate and the second rotating plate having a fourth rotating shaft rotatably connected to it, and a push plate fixedly connected between the two fourth rotating shafts on the same side.

[0006] As a further feature of this technical solution, the mounting base is L-shaped, the connecting frame is U-shaped, and the rotating block is T-shaped.

[0007] As a further feature of this technical solution, a nut is threaded onto the fourth rotating shaft, and two nuts located on the same side abut against the first rotating plate and the second rotating plate, respectively.

[0008] As a further feature of this technical solution, the end of the second rotating plate is V-shaped, the top of the drive rod is cylindrical, and the bottom of the drive rod is hexagonal prism.

[0009] As a further feature of this technical solution, the conveyor body is equipped with a transmission structure, the transmission structure includes a first rotating shaft, and a first rotating shaft is rotatably connected to each end of the conveyor body. A drive roller is fixedly connected to the center of the first rotating shaft, and a conveyor belt is wound between the two drive rollers. Multiple idler rollers are rotatably connected to the conveyor body.

[0010] As a further feature of this technical solution, the two first rotating shafts are arranged symmetrically, and a drive structure is fitted on one of the first rotating shafts.

[0011] As a further feature of this technical solution, a support structure is installed at the bottom of the conveyor body. The support structure includes four support legs. The four support legs are fixedly connected at equal intervals at the bottom of the conveyor body. A guide rod is fixedly connected to the bottom of each support leg. A connecting plate is slidably connected to the guide rod. The connecting plate is slidably connected to the support leg. A first tension spring is fixedly connected between the connecting plate and the inner wall of the support leg. A limit strip is slidably connected to the bottom of each support leg. A limit groove is formed at the end of the connecting plate. The limit strip engages with the limit groove. Two universal wheels are fixedly connected to the bottom surface of the connecting plate.

[0012] As a further feature of this technical solution, the limiting strip has a U-shaped cross-section, and a second tension spring is fixedly connected between the limiting strip and the outer wall of the support leg, wherein an mounting plate is fixedly connected between the two support legs.

[0013] As a further feature of this technical solution, the drive structure includes a mounting frame, with the mounting frame fixedly connected between the two support legs near the mounting plate. A motor is fixedly connected to the mounting frame, and the output shaft of the motor is rotatably connected to the mounting plate. A first pulley is fixedly connected to the output shaft of the motor, and a second pulley is fixedly connected to the first rotating shaft near the motor. A belt is wound between the first pulley and the second pulley.

[0014] As a further feature of this technical solution, the radius of the first pulley is larger than the radius of the second pulley, and a protective cover is fixedly connected to the mounting plate.

[0015] The beneficial effects of this utility model are as follows: Two pairs of mounting seats are fixedly connected to the side wall of the conveyor body. A connecting frame is fixedly connected to each of the two mounting seats. A second rotating shaft is fixedly connected to the connecting frame. A rotating block is rotatably connected to the second rotating shaft. A hydraulic rod is fixedly connected to the rotating block. A docking sleeve is fixedly connected to the telescopic end of the hydraulic rod. A third rotating shaft is fixedly connected to the top of each mounting seat. A first rotating plate is rotatably connected to the two third rotating shafts closest to the connecting frame, and a second rotating plate is rotatably connected to the other two third rotating shafts. A drive rod is rotatably connected to the end of the second rotating plate, and the drive rod engages with the docking sleeve. A push plate is fixedly connected between two fourth rotating shafts located on the same side. The hydraulic rod on the connecting frame... The telescopic end extends outward. Since the telescopic end of the hydraulic rod is engaged with the drive rod through the mating sleeve, the hydraulic rod drives the drive rod and the second rotating plate to rotate. At the same time, the hydraulic rod and the rotating block rotate around the second rotating shaft to move the angle, ensuring that the telescopic end of the hydraulic rod can extend outward. When the second rotating plate rotates around the third rotating shaft, the second rotating plate drives the push plate at the bottom to move towards the center position of the equipment. During the movement of the push plate, the fourth rotating shaft rotates with the second rotating plate, and at the same time drives the first rotating plate on another mounting base to rotate around another third shaft. At this time, the first rotating plate cooperates with the second rotating plate to drive the push plate to move towards the center position of the conveyor belt, effectively correcting the misalignment of the cardboard on the conveyor belt, and is highly flexible. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 for Figure 1 The enlarged schematic diagram of part A shown below;

[0018] Figure 3 This is a schematic diagram of the connection structure between the first rotating shaft and the drive roller of this utility model;

[0019] Figure 4 for Figure 3 The enlarged schematic diagram of section B is shown below;

[0020] Figure 5 This is a schematic diagram of the connection structure between the drive roller and the conveyor belt of this utility model;

[0021] Figure 6 This is a schematic diagram of the connection structure between the limiting rod and the limiting groove of this utility model.

[0022] In the diagram: 1. Conveyor body; 2. Transmission structure; 201. First rotating shaft; 202. Drive roller; 203. Conveyor belt; 204. Idler roller; 3. Drive structure; 301. Mounting frame; 302. Motor; 303. First pulley; 304. Second pulley; 305. Belt; 306. Protective cover; 4. Telescopic structure; 401. Mounting base; 402. Connecting frame; 403. Second rotating shaft; 404. Rotating block; 405. Hydraulic rod ; 406. Docking sleeve; 5. Rotating structure; 501. Third rotating shaft; 502. First rotating plate; 503. Second rotating plate; 504. Fourth rotating shaft; 505. Push plate; 506. Drive rod; 507. Nut; 6. Support structure; 601. Support leg; 602. Guide rod; 603. Connecting plate; 604. First tension spring; 605. Limiting strip; 606. Limiting groove; 607. Second tension spring; 608. Universal wheel; 609. Mounting plate. Detailed Implementation

[0023] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0024] The accompanying drawings are for illustrative purposes only and are schematic diagrams, not actual pictures. They should not be construed as limiting the present invention. To better illustrate the embodiments of the present invention, some parts in the drawings may be omitted, enlarged, or reduced, and do not represent the actual product dimensions. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.

[0025] In the accompanying drawings of this utility model, the same or similar reference numerals correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper," "lower," "left," "right," "inner," and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting this utility model. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0026] Please see Figures 1-6As shown, a cardboard conveying mechanism with a correction function includes a conveyor body 1. The conveyor body 1 is equipped with a telescopic structure 4, which includes mounting bases 401. Two pairs of mounting bases 401 are fixedly connected to the side wall of the conveyor body 1. Each mounting base 401 is fixedly connected to a connecting frame 402. A second rotating shaft 403 is fixedly connected to the connecting frame 402. A rotating block 404 is rotatably connected to the second rotating shaft 403. A hydraulic rod 405 is fixedly connected to the rotating block 404. A connecting sleeve 406 is fixedly connected to the telescopic end of the hydraulic rod 405. The seat 401 has an "L" shape, the connecting frame 402 has a "U" shape, and the rotating block 404 has a "T" shape. In order to avoid the cardboard from deviating on the conveyor belt 203 during the transportation of cardboard, the telescopic end of the hydraulic rod 405 on the connecting frame 402 extends outward. Since the telescopic end of the hydraulic rod 405 is engaged with the drive rod 506 through the mating sleeve 406, the hydraulic rod 405 drives the drive rod 506 and the second rotating plate 503 to rotate. At the same time, the hydraulic rod 405 and the rotating block 404 rotate and move around the second rotating shaft 403 to ensure that the telescopic end of the hydraulic rod 405 can extend outward.

[0027] As a technical optimization of this utility model, a rotating structure 5 is fitted on the mounting base 401. The rotating structure 5 includes a third rotating shaft 501. The top ends of the four mounting bases 401 are all fixedly connected to the third rotating shaft 501. The two third rotating shafts 501 closest to the connecting frame 402 are rotatably connected to a first rotating plate 502, and the other two third rotating shafts 501 are rotatably connected to a second rotating plate 503. The end of the second rotating plate 503 is rotatably connected to a drive rod 506, which engages with the mating sleeve 406. The ends of the first rotating plate 502 and the second rotating plate 503 are rotatably connected to a fourth rotating shaft 504. A push plate 505 is fixedly connected between the two fourth rotating shafts 504 on the same side. A nut 507 is threaded onto the fourth rotating shaft 504. The two nuts 507 on the same side are threaded onto the push plate 504. 7. The first rotating plate 502 and the second rotating plate 503 respectively abut against each other. The end of the second rotating plate 503 has a "V" shaped structure. The top of the drive rod 506 is a cylindrical structure, and the bottom of the drive rod 506 is a hexagonal prism structure. When the second rotating plate 503 rotates around the third rotating shaft 501, the second rotating plate 503 drives the push plate 505 at the bottom to move towards the center position of the equipment. During the movement of the push plate 505, the fourth rotating shaft 504 rotates with the second rotating plate 503, and at the same time drives the first rotating plate 502 on another mounting base 401 to rotate around the other third rotating shaft 501. At this time, the first rotating plate 502 cooperates with the second rotating plate 503 to drive the push plate 505 to move towards the center position of the conveyor belt 203. At the same time, the distance between the push plate 505 and the conveyor belt 203 can be controlled by adjusting the nut 507 on the fourth rotating shaft 504, which has strong stability. It also effectively corrects the misalignment of the cardboard on the conveyor belt 203, which has high flexibility.

[0028] As a technical optimization of this utility model, the conveyor body 1 is equipped with a transmission structure 2, the transmission structure 2 including a first rotating shaft 201. A first rotating shaft 201 is rotatably connected to each end of the conveyor body 1. A drive roller 202 is fixedly connected to the center of the first rotating shaft 201. A conveyor belt 203 is wound between two drive rollers 202. Multiple idler rollers 204 are rotatably connected to the conveyor body 1. The two first rotating shafts 201 are symmetrically arranged, and a drive structure 3 is fitted onto one of the first rotating shafts 201. A rotating shaft 201 drives the drive roller 202 to rotate. Since a conveyor belt 203 is installed between the two drive rollers 202, the conveyor belt 203 is driven to run by the friction between the drive roller 202 and the conveyor belt 203, thereby realizing the conveying of paperboard. At the same time, multiple idler rollers 204 are rotatably connected on the conveyor body 1 to support the conveyor belt 203 and the paperboard on the conveyor belt 203, prevent the conveyor belt 203 from sagging due to gravity during operation, ensure the smooth operation of the conveyor belt 203, reduce the vibration and wear of the conveyor belt 203, and improve the conveying efficiency and quality.

[0029] As a technical optimization of this utility model, a support structure 6 is installed at the bottom of the conveyor body 1. The support structure 6 includes four support legs 601. The four support legs 601 are fixedly connected at equal intervals at the bottom of the conveyor body 1. A guide rod 602 is fixedly connected to the bottom of each support leg 601. A connecting plate 603 is slidably connected to the guide rod 602. The connecting plate 603 is slidably connected to the support leg 601. A first tension spring 604 is fixedly connected between the connecting plate 603 and the inner wall of the support leg 601. A limit strip 605 is slidably connected to the bottom of the support leg 601. A limit groove 606 is formed at the end of the connecting plate 603. The limit strip 605 is engaged with the limit groove 606. Two universal wheels 608 are fixedly connected to the bottom surface of the connecting plate 603. The cross-section of the limit strip 605 is U-shaped. A second tension spring 607 is fixedly connected to the outer wall of the support leg 601, and a mounting plate 609 is fixedly connected between the two support legs 601. When the device needs to be moved, simply pull the limiting strip 605 at the bottom of the support leg 601 outward in sequence and stretch the second tension spring 607. At this time, the end of the limiting strip 605 slides out of the limiting groove 606 on the connecting plate 603. Then, press the connecting plate 603 down to make it slide down along the guide rod 602 and stretch the first tension spring 604. When the connecting plate 603 slides down to the bottom, release the limiting strip 605 so that the end of the limiting strip 605 re-engages with the limiting groove 606, thereby limiting the position of the connecting plate 603. At the same time, the other three support legs 601 repeat the same operation until the universal wheels 608 at the bottom of the four connecting plates 603 are in contact with the ground. At this time, the device can be moved freely with high flexibility.

[0030] As a technical optimization of this utility model, the drive structure 3 includes a mounting frame 301. The mounting frame 301 is fixedly connected between the two support legs 601 near the mounting plate 609. A motor 302 is fixedly connected to the mounting frame 301. The output shaft of the motor 302 is rotatably connected to the mounting plate 609. A first pulley 303 is fixedly connected to the output shaft of the motor 302. A second pulley 304 is fixedly connected to the first rotating shaft 201 near the motor 302. A belt 305 is wound between the first pulley 303 and the second pulley 304. The radius of the first pulley 303 is larger than that of the second pulley 305. The radius of wheel 304, and a protective cover 306 is fixedly connected to the mounting plate 609; during the production of paperboard, when the paperboard is conveyed to the equipment, the motor 302 located on the mounting frame 301 first drives the first pulley 303 to rotate. Since the belt 305 is wound between the first pulley 303 and the second pulley 304, the first pulley 303 drives the second pulley 304 to rotate, and the second pulley 304 drives the first rotating shaft 201 to rotate, thereby effectively driving the drive roller 202 to rotate, resulting in high operating efficiency. At the same time, the protective cover 306 provided on the mounting plate 609 protects the first pulley 303 and the second pulley 304.

[0031] In use, during the paperboard production process, when the paperboard is conveyed to the equipment, the motor 302 on the mounting frame 301 first drives the first pulley 303 to rotate. Since a belt 305 is wound between the first pulley 303 and the second pulley 304, the first pulley 303 drives the second pulley 304 to rotate, which in turn drives the first rotating shaft 201 to rotate, effectively driving the drive roller 202 to rotate. This results in high operating efficiency. Simultaneously, the protective cover 306 on the mounting plate 609 protects the first pulley 303 and the second pulley 304. The pulley 304 serves a protective function. The first rotating shaft 201 drives the drive roller 202 to rotate. Since a conveyor belt 203 is installed between the two drive rollers 202, the friction between the drive rollers 202 and the conveyor belt 203 drives the conveyor belt 203 to run, thereby realizing the conveying of the cardboard. At the same time, multiple idler rollers 204 are rotatably connected to the conveyor body 1 to support the conveyor belt 203 and the cardboard on the conveyor belt 203, preventing the conveyor belt 203 from sagging due to gravity during operation, ensuring the smooth operation of the conveyor belt 203, and reducing the risk of damage to the conveyor belt 203. To reduce vibration and wear, and improve conveying efficiency and quality, to prevent cardboard from deviating on the conveyor belt 203 during cardboard transport, the telescopic end of the hydraulic rod 405 on the connecting frame 402 extends outward. Since the telescopic end of the hydraulic rod 405 engages with the drive rod 506 via the mating sleeve 406, the hydraulic rod 405 drives the drive rod 506 and the second rotating plate 503 to rotate. Simultaneously, the hydraulic rod 405 and the rotating block 404 rotate and move around the second rotating shaft 403, ensuring that the telescopic end of the hydraulic rod 405 can extend outward. When the second rotating plate 503 rotates around the third rotating shaft 50... When rotating, the second rotating plate 503 drives the push plate 505 at the bottom to move towards the center of the equipment. During the movement of the push plate 505, the fourth rotating shaft 504 and the second rotating plate 503 rotate, which at the same time drives the first rotating plate 502 on another mounting base 401 to rotate around the third rotating shaft 501. At this time, the first rotating plate 502 cooperates with the second rotating plate 503 to drive the push plate 505 to move towards the center of the conveyor belt 203. At the same time, the distance between the push plate 505 and the conveyor belt 203 can be controlled by adjusting the nut 507 on the fourth rotating shaft 504, which has strong stability.Simultaneously, it effectively corrects the misalignment of the cardboard on the conveyor belt 203, offering high flexibility. When moving equipment, simply pull the limiting strip 605 at the bottom of the support leg 601 outwards and stretch the second tension spring 607. The end of the limiting strip 605 slides out of the limiting groove 606 on the connecting plate 603. Then, press down on the connecting plate 603, causing it to slide downwards along the guide rod 602, stretching the first tension spring 604. Once the connecting plate 603 has slid to its bottom, release the limiting strip 605, allowing its end to re-engage with the limiting groove 606, thus limiting the position of the connecting plate 603. Repeat the same operation on the other three support legs 601 until all four connecting plates 603's bottom casters 608 are in contact with the ground. At this point, the equipment can be moved freely, offering high flexibility.

[0032] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A cardboard conveying mechanism with a correction function, comprising a conveyor body (1), characterized in that: The conveyor body (1) is provided with a telescopic structure (4), the telescopic structure (4) includes a mounting base (401), two pairs of mounting bases (401) are fixedly connected to the side wall of the conveyor body (1), and a connecting frame (402) is fixedly connected to each of the two mounting bases (401). A second rotating shaft (403) is fixedly connected to the connecting frame (402), a rotating block (404) is rotatably connected to the second rotating shaft (403), a hydraulic rod (405) is fixedly connected to the rotating block (404), and a docking sleeve (406) is fixedly connected to the telescopic end of the hydraulic rod (405). A rotating structure (5) is fitted on the mounting base (401), the rotating structure (5) includes The third rotating shaft (501) is fixedly connected to the top of each of the four mounting bases (401). The two third rotating shafts (501) closest to the connecting frame (402) are rotatably connected to the first rotating plate (502). The other two third rotating shafts (501) are rotatably connected to the second rotating plate (503). The end of the second rotating plate (503) is rotatably connected to the drive rod (506). The drive rod (506) is engaged with the docking sleeve (406). The ends of the first rotating plate (502) and the second rotating plate (503) are rotatably connected to the fourth rotating shaft (504). The two fourth rotating shafts (504) located on the same side are fixedly connected to the push plate (505).

2. The cardboard conveying mechanism with correction function according to claim 1, characterized in that: The mounting base (401) has an "L" shape, the connecting frame (402) has a "U" shape, and the rotating block (404) has a "T" shape.

3. The cardboard conveying mechanism with correction function according to claim 1, characterized in that: The fourth rotating shaft (504) is threaded with nuts (507), and the two nuts (507) located on the same side abut against the first rotating plate (502) and the second rotating plate (503) respectively.

4. The cardboard conveying mechanism with correction function according to claim 1, characterized in that: The end of the second rotating plate (503) is V-shaped, the top of the drive rod (506) is cylindrical, and the bottom of the drive rod (506) is hexagonal prism.

5. The cardboard conveying mechanism with correction function according to claim 1, characterized in that: The conveyor body (1) is equipped with a transmission structure (2), the transmission structure (2) includes a first rotating shaft (201), and a first rotating shaft (201) is rotatably connected to each end of the conveyor body (1). A drive roller (202) is fixedly connected to the center position of the first rotating shaft (201), and a conveyor belt (203) is wound between the two drive rollers (202). Multiple idler rollers (204) are rotatably connected to the conveyor body (1).

6. The cardboard conveying mechanism with correction function according to claim 5, characterized in that: The two first rotating shafts (201) are arranged symmetrically, and a drive structure (3) is fitted on one of the first rotating shafts (201).

7. The cardboard conveying mechanism with correction function according to claim 6, characterized in that: A support structure (6) is installed at the bottom of the conveyor body (1). The support structure (6) includes four support legs (601). The four support legs (601) are fixedly connected at equal intervals at the bottom of the conveyor body (1). A guide rod (602) is fixedly connected to the bottom of the support leg (601). A connecting plate (603) is slidably connected to the guide rod (602). The connecting plate (603) is slidably connected to the support leg (601). A first tension spring (604) is fixedly connected between the connecting plate (603) and the inner wall of the support leg (601). A limit strip (605) is slidably connected to the bottom of the support leg (601). A limit groove (606) is opened at the end of the connecting plate (603). The limit strip (605) is engaged in the limit groove (606). Two universal wheels (608) are fixedly connected to the bottom surface of the connecting plate (603).

8. The cardboard conveying mechanism with correction function according to claim 7, characterized in that: The limiting strip (605) has a U-shaped cross section. A second tension spring (607) is fixedly connected between the limiting strip (605) and the outer wall of the support leg (601). An mounting plate (609) is fixedly connected between the two support legs (601).

9. The cardboard conveying mechanism with correction function according to claim 8, characterized in that: The drive structure (3) includes a mounting bracket (301). The mounting bracket (301) is fixedly connected between the two support legs (601) near the mounting plate (609). A motor (302) is fixedly connected to the mounting bracket (301). The output shaft of the motor (302) is rotatably connected to the mounting plate (609). A first pulley (303) is fixedly connected to the output shaft of the motor (302). A second pulley (304) is fixedly connected to the first rotating shaft (201) near the motor (302). A belt (305) is wound between the first pulley (303) and the second pulley (304).

10. The cardboard conveying mechanism with correction function according to claim 9, characterized in that: The radius of the first pulley (303) is greater than the radius of the second pulley (304), and a protective cover (306) is fixedly connected to the mounting plate (609).

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